{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "patch vulnerability", "arguments": ["time", "vulnerable system", "patch", "vulnerable system version", "patch number", "releaser", "common vulnerabilities and exposures", "issues addressed", "supported platform"]}], "input": "\" Welp , it turns out the Meltdown patches for Windows 10 had a fatal flaw : calling NtCallEnclave returned back to user space with the full kernel page table directory , completely undermining the mitigation , \" Ionescu wrote ."}
{"patch vulnerability": [{"time": "NAN", "vulnerable system": "Windows 10", "patch": "the Meltdown patches", "vulnerable system version": "NAN", "patch number": "NAN", "releaser": "NAN", "common vulnerabilities and exposures": "NAN", "issues addressed": "NAN", "supported platform": "NAN"}]}